 <template>
  <HeaderComponent></HeaderComponent>
  <el-container style="height: 100vh;">
    <el-container>
      <SideBar></SideBar>
      <ContentComponent></ContentComponent>
    </el-container>
  </el-container>
 </template>

 <script setup>
import HeaderComponent from './components/HeaderComponent.vue'
import SideBar from './components/SideBar.vue'
import ContentComponent from './components/ContentComponent.vue';
 </script>

 <style>
 body, html, #app {
  margin: 0;
  padding: 0;
 }
 </style>